Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

August 1, 2021Clinch County, Echols County, Georgia

NWS Jacksonville, FL issued this special weather statement at Aug 1, 2021, 6:09 PM EDT for Clinch County, Echols County, Georgia. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 1, 2021, 6:09 PM EDT (22:09 UTC)
Expired
Aug 1, 2021, 7:00 PM EDT
In force
51 min
Issued by
NWS Jacksonville, FL

Counties Clinch County, GA, Echols County, GA

The radar

The Moody AFB radar (KVAX), 14 km from the middle of the area, began a volume at 22:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 10.2 hours before the alert went out and 123 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2021-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2380 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2021-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2380 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at Aug 1, 3:28 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, Aug 1, 3:28 PM EDT, 2 hours 41 minutes before
Area Forecast Discussion
National Weather Service Jacksonville FL
328 PM EDT Sun Aug 1 2021

.Near Term.../through Monday/...

High pressure will be southeast of the area Today, with a frontal
zone just to the north. Scattered to numerous convection anticipated
this afternoon and evening. The front will sink southeast Tonight
into SE GA counties, which could keep activity going into the
overnight hours.

The surface front will stall over area during the day Monday, as
500mb trough digs into southeastern US. The combination of diurnal
heating, convergence along the front and added instability
associated with upper trough will yield a fairly active convective
day on Monday. With the surface flow largely running along the
surface boundary could see rounds of heavy rainfall training over
the region. So, in addition to potential for strong to a few severe
storms Monday afternoon, will also anticipate localized flooding.

Temperatures Tonight will trend above normal, with a near to
slightly below normal day on Monday.

&&

.Short Term.../Monday night through Thursday/...

The region remains in the base of a 500mb trough with a stalled
frontal zone at the surface in place through Wednesday. This pattern
will continue the stormy period, with rounds of convection expected.

The pattern begins to change into Thursday, as the upper trough
flattens, and the surface frontal zone lifts back to the north, as
surface high pressure builds toward east. While it will still be
moist and unstable enough for diurnally driven convection on
Thursday, the chances will begin to trend down.

Overnight lows will be near normal this period, while highs will
trend below normal due to rain and cloud coverage.

&&

.Long Term.../Thursday night through Sunday/...

High pressure will extend across the area from a center to the east
this period. While convective chances will be a little lower than
earlier in the week, chances will still be higher than average.

Temperatures will trend near normal at night, and a little below
normal for highs.

&&

.Marine...

A frontal boundary will sink southeast into area Tonight, and stall
through Wednesday. The boundary will lift back to the north and
weaken later in the week, as high pressure builds toward the east.

Rip Currents: Low through Monday.

&&

.PRELIMINARY POINT TEMPS/POPS...

AMG  75  90  72  82  71 /  60  90  70  90  60
SSI  78  89  76  84  75 /  50  90  80  90  60
JAX  77  93  74  85  73 /  30  90  70  90  50
SGJ  77  91  75  87  74 /  20  70  60  80  40
GNV  76  89  74  84  74 /  30  70  70  90  50
OCF  76  88  74  87  74 /  30  70  70  80  50

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AM...None.
&&

In the hours before

Local storm report, Aug 1, 5:05 PM EDT, 1 hour 4 minutes before
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Special weather statement, Aug 1, 5:18 PM EDT, 51 minutes before
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Special weather statement, Aug 1, 5:20 PM EDT, 49 minutes before
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Special weather statement, Aug 1, 5:25 PM EDT, 44 minutes before
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Special weather statement, Aug 1, 5:58 PM EDT, 11 minutes before
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Special weather statement, Aug 1, 6:09 PM EDT, 0 minutes before
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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 2:14 PM EDTSpecial Marine WarningJAX61 min
Aug 1, 3:02 PM EDTSpecial Marine WarningJAX71 min
Aug 1, 3:10 PM EDTSpecial Weather StatementJAXNassau35 min
Aug 1, 3:38 PM EDTSpecial Marine WarningJAX97 min
Aug 1, 4:49 PM EDTSpecial Marine WarningJAX56 min
Aug 1, 5:18 PM EDTSpecial Weather StatementJAXNassau42 min
Aug 1, 5:58 PM EDTSpecial Weather StatementJAXNassau62 min
Aug 1, 6:23 PM EDTSpecial Weather StatementJAXNassau52 min
Aug 1, 6:45 PM EDTSpecial Weather StatementJAXHamilton45 min
Aug 1, 6:53 PM EDTSpecial Weather StatementJAXDuval52 min
Aug 1, 7:16 PM EDTSpecial Weather StatementJAXBaker59 min
Aug 1, 7:34 PM EDTSpecial Weather StatementJAXColumbia, Suwannee56 min
Jul 31, 10:06 PM EDTSpecial Weather StatementJAXBacon, Coffee39 min
Jul 31, 10:35 PM EDTSpecial Weather StatementJAXBacon, Brantley, Pierce40 min
Aug 1, 3:12 PM EDTSpecial Weather StatementJAXCoffee48 min
Aug 1, 3:28 PM EDTSpecial Weather StatementJAXAtkinson47 min
Aug 1, 3:46 PM EDTSpecial Weather StatementJAXCamden, Ware59 min
Aug 1, 3:57 PM EDTSpecial Weather StatementJAXBacon, Coffee48 min
Aug 1, 4:10 PM EDTSpecial Weather StatementJAXClinch50 min
Aug 1, 4:39 PM EDTSpecial Weather StatementJAXPierce51 min
Aug 1, 4:42 PM EDTSpecial Weather StatementJAXAtkinson48 min
Aug 1, 4:44 PM EDTSpecial Weather StatementJAXWare46 min
Aug 1, 4:47 PM EDTSpecial Weather StatementJAXCamden43 min
Aug 1, 5:20 PM EDTSpecial Weather StatementJAXClinch55 min
Aug 1, 5:25 PM EDTSpecial Weather StatementJAXCharlton50 min

Nearby

Special Weather Statements in Georgia, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.